interrupts cpu usage Videos

VDPower preview on MSX2 computer (1994)

VDPower preview on MSX2 computer (1994)

of music, but he never released anything ;-) ahh just a crappy sound routine for ay-3-8910 consuming 10% of cpu time!! Let's remember MSX2 has a 3.58Mhz Z80a processor and 128Kb RAM plus 128Kb VRAM memory. this preview shows: 1) Wave movements on real-time, with a front mask (Compac Corp). 2) fade-in and fade-out usage for texts 3) Line interrupt and screen movement (video ram mem blocks) on real time. 4) Realtime Plasma (no precalculated tables) 5) Plasma with front mask (final part of ...

Author: hydefus; Tags: msx msx2 vdp vdpower demoscene demo 8-bit talent home computer chile max celedon collins

Google I/O 2009 - Coding for Life -- Battery Life, That Is

Google I/O 2009 - Coding for Life -- Battery Life, That Is

milliamps of battery. So anytime the screen is on, that's the amount of current that the screen is pulling. And as soon as we start adding in things like CPU... if you're doing 50% or 100% CPU-- so 100% CPU on top of the screen already being on, so this is the blue specific item-- on top of the screen being turned on, 100% CPU ends up being 110 milliamps to run the CPU at full speed. Something if you're looking at writing a game, running the game sensor, so the accelerometer on the device, ...

Author: GoogleDevelopers; Tags: googleio2009 google Google I/O developer conference Android mobile java

Google I/O 2009 - ...Make your Android UI Fast and Efficient

Google I/O 2009 - ...Make your Android UI Fast and Efficient

you do many, many really cool things and they'll let you display various items in the list. You can create ListViews in which every item is a WebView. If you do that, I will be very mad at you because it's a really bad idea in terms of memory usage and performance, but you can. You can also do very simple things like the contact application where you have a simple label, like a simple line of text for every item. Adapters are also very painful to use because they introduce another layer ...

Author: GoogleDevelopers; Tags: googleio2009 google Google I/O developer conference Java Android mobile


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